Finding the Fourth Proportional to 135,000.80, 202,371.60 and 104,998.40
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Solution
The fourth proportional to 135,000.80, 202,371.60 and 104,998.40 is: 157,396.80
Step by Step Solution
- Step 1: Write the proportion equation
135,000.80 : 202,371.60 = 104,998.40 : x - Step 2: Convert to fraction form
135,000.80/202,371.60 = 104,998.40/x - Step 3: Cross multiply
135,000.80x = 202,371.60 × 104,998.40 - Step 4: Simplify right side
135,000.80x = 21,248,694,205.44 - Step 5: Solve for x
x = 21,248,694,205.44/135,000.80 - Step 6: Final answer
x = 157,396.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.